Property, Plant And Equipment, Net

12 Months Ended

Dec. 31, 2011

Property, Plant And Equipment, Net [Abstract]

I. PROPERTY, PLANT AND EQUIPMENT, NET

Property, plant and equipment are carried at historical cost, net of accumulated depreciation. The major classes of property, plant and equipment were as follows:


December 31	2010			2011
Machinery and equipment	$	3,388		$	3,712
Buildings and improvements		2,084			2,172
Land and improvements		283			321
Construction in process		204			313
Total property, plant and equipment*		5,959			6,518
Accumulated depreciation		(2,988	)		(3,234)
Property, plant and equipment, net	$	2,971		$	3,284

*	Our government customers provide certain facilities; we do not include these facilities above.

We depreciate most of our assets using the straight-line method and the remainder using accelerated methods. Buildings and improvements are depreciated over periods up to 50 years. Machinery and equipment are depreciated over periods up to 30 years.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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